package io.datajek.springbasics.movierecommendersystem.lesson10;


import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;

@SpringBootApplication
public class MovieRecommenderSystemApplication { public static void main(String[] args) {
        //SpringApplication.run(MovieRecommenderSystemApplication.class, args);
        //使用ApplicationContext管理bean和依赖关系
        ApplicationContext appContext= SpringApplication.run(MovieRecommenderSystemApplication.class,args);

        //从Application中获得并打印Singleton Bean
        ContentBasedFilter filter=appContext.getBean(ContentBasedFilter.class);
        System.out.println("\nContentBasedFilter bean with singleton scope");
        System.out.println(filter);

        //从Singleton Bean中获得并打印Prototype Bean两次
        Movie movie1=filter.getMovie();
        Movie movie2=filter.getMovie();
        Movie movie3=filter.getMovie();

        System.out.println("\nMovie bean with prototype scope");
        System.out.println(movie1);
        System.out.println(movie2);
        System.out.println(movie3);

        //打印每种Bean的实例数
        System.out.println("\nContentBasedFilter bean with singleton scope"+ ContentBasedFilter.getInstances());
        System.out.println("\nMovie bean with prototype scope"+ Movie.getInstances());



    }



}
